Obligation
Ability / Polite Requests
Advice
Not necessary
Too / Very
100

All employees ________ on time for work.

All employees must be on time for work.

100

Restate the sentence using another verb. Jennifer can't cook Mexican food.

Jennifer isn't able to / doesn't know how to cook Mexican food.

100

He ____ apologize for the accident.

He should apologize for the accident.

100

He _____ work in the evening.

He doesn't have to work in the evening.

100

I can't drink this coffee. It is ____ hot.

I can't drink this coffee. It is too hot.

200

"If you are under 13 years old you _____ to get your parents' permission"

"If you are under 13 you have to get your parents' permission"

200

Restate the sentence using another verb. Melissa could play the piano when she was a child. 

Melissa was able to / knew how to play the piano when she was a child.

200

I think you _____ study more for the final exam.

I think you should study more for the final exam.

200

We ____  go shopping.

We dont' have to go shopping.

200

I have to study hard for my math test. These equations are ____ difficult.

I have to study hard for my math test. These equations are very difficult.

300

Bicyclists _____ signal when they turn.

Bicyclists must signal when they turn.

300

Restate the sentence using another verb. Lin can't answer the phone right now.

Lin isn't able to answer the phone right now.

300

The doctor says that you _________ eat so much sugar.

The doctor says that you should not eat so much sugar.

300

Mandy _____ read the instructions.

Mandy doesn't have to read the instructions.

300

Will you go swimming today or is it ____ cold?

Will you go swimming today or is it too cold?

400

We ________ forget to take the chicken out of the freezer if we want to cook it for dinner tonight.

We must not forget to take the chicken out of the freezer if we want to cook it for dinner tonight.

400
Restate the question in a more polite way. Can you go to a movie tomorrow? 

Could you go to a movie tomorrow? 

400

They ______ follow the traffic rules, or they may get in a car accident.

They should follow the traffic rules, or they may get in a car accident.

400

We ____ make sandwiches for the party. Let's buy them at Costco.

We don't have to make sandwiches for the party. Let's buy them at Costco.

400

Why didn't Frank come to the meeting? Was he ____ sick?

Why didn't Frank come to the meeting? Was he too sick?

500

You ______ be quiet in the library. 

You must be quiet in the library. 

500

Restate the question in a more polite way. Can I borrow your umbrella?

May I borrow your umbrella?

500

To fix her toilet, she ____ call a plumber.

To fix her toilet, she should call a plumber.

500

______ (we) take the test today, or can we take it next week?

Do we have to take the test today, or can we take it next week?

500
Thank you for taking ESL 81 this semester. You are a ____ nice class.

Thank you for taking ESL 81 this semester. You are a very nice class.